package com.hj.learn.demo1;

public class TestState {
    public static void main(String[] args) {
        Thread thread = new Thread(()->{
            for (int i = 0; i < 10; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            System.out.println("*-************");
        });
        //观察状态
        Thread.State  state =  thread.getState();
        System.out.println(state);
        //观察启动后
        thread.start();
        state = thread.getState();
        System.out.println(state);
        //观察启动后处于什么状态
        while (state!=thread.getState().TERMINATED){
            try {
                Thread.sleep(100);
                state = thread.getState();//必须重新获取状态
                System.out.println(state);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        /**
         * 一旦进入死亡状态，线程不能再次启动
         */

    }
}
